The M243 Fire Control Platform Trailer was an early warning component of the M33 Anti-Aircraft Fire Control System used by Canada and other NATO countries in the 1950s. The M243 carried the Acquisition Antenna Assembly, which the Canadian Artillery deployed on a large tripod and fed data directly to the M242 Fire Control Mount Trailer […]
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The No 3 Mark 1 Accurate Position Finder (APF) was the fire control component of the Canadian Gun Laying III(c) radar system. It received the approximate range and bearing of incoming targets from the ZPI (Zone Position Indicator) No 4 MK1. The APF then provided accurate measurements of each target aircraft’s range, bearing and angle
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The No. 4 MK 1 Zone Position Indicator (ZPI) was a radar used to give an early warning of enemy aircraft to the Canadian GL III radar system. It provided approximate range and bearing of incoming targets to the APF (Accurate Position Finder) No. 3 MK 1, exhibited to the left. The ZPI would track
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The IKO 24 cm Schwerer Flugelminenwerfer was the standard German heavy mortar in the last half of World War I. The mortar fired a projectile stabilized by four large vanes or wings (“Flugel” in German). The German Army General Headquarters reserve included 13 battalions equipped with heavy mortars (schwerer minenwerfer). These battalions were assigned to
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